<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>01——入门案例</title>
    <script src="../node_modules/vue/dist/vue.js"></script>
</head>
<body>
    <div id=app> {{msg}}   </div>


    <script>
        const vm = new Vue({
            el:'#app',
            data:{
                msg: 'hello wrold!'
            }
        });
    </script>
</body>
</html>